package com.xu;

import java.util.HashMap;
import java.util.Map;

/**
 * @author xudenghui
 * @create 2021-11-18 9:27
 **/
public class HashMapTest {

    public static void main(String[] args) {
        Map<String, Object> obj = new HashMap<String, Object>();
        obj.put("1", "小明");

    }
}
